Bug 1612376 - P1. Add UpdateStorageAccessGranted ipc method to PWindowGlobal r=timhuang,baku

This API will be used when we need to udpate a granted stroage
permission to child processes.

Differential Revision: https://phabricator.services.mozilla.com/D72303

dom/ipc/PWindowGlobal.ipdl

@@ -67,6 +67,8 @@ child:
 
   async DispatchSecurityPolicyViolation(nsString aViolationEventJSON);
 
+  async SaveStorageAccessGranted(nsCString aPermissionKey);
+
 both:
   async RawMessage(JSWindowActorMessageMeta aMetadata, ClonedMessageData aData,
                    ClonedMessageData aStack);

dom/ipc/WindowGlobalChild.cpp

@@ -6,6 +6,7 @@
 
 #include "mozilla/dom/WindowGlobalChild.h"
 
+#include "mozilla/AntiTrackingUtils.h"
 #include "mozilla/ClearOnShutdown.h"
 #include "mozilla/dom/WindowGlobalParent.h"
 #include "mozilla/dom/BrowsingContext.h"
@@ -392,6 +393,28 @@ mozilla::ipc::IPCResult WindowGlobalChild::RecvGetSecurityInfo(
   return IPC_OK();
 }
 
+mozilla::ipc::IPCResult WindowGlobalChild::RecvSaveStorageAccessGranted(
+    const nsCString& aPermissionKey) {
+  nsCOMPtr<nsPIDOMWindowInner> window = GetWindowGlobal();
+  if (!window) {
+    return IPC_OK();
+  }
+
+#ifdef DEBUG
+  nsAutoCString trackingOrigin;
+  nsCOMPtr<nsIPrincipal> principal = DocumentPrincipal();
+  if (principal && NS_SUCCEEDED(principal->GetOriginNoSuffix(trackingOrigin))) {
+    nsAutoCString permissionKey;
+    AntiTrackingUtils::CreateStoragePermissionKey(trackingOrigin,
+                                                  permissionKey);
+    MOZ_ASSERT(permissionKey == aPermissionKey);
+  }
+#endif
+
+  window->SaveStorageAccessGranted(aPermissionKey);
+  return IPC_OK();
+}
+
 mozilla::ipc::IPCResult WindowGlobalChild::RecvDispatchSecurityPolicyViolation(
     const nsString& aViolationEventJSON) {
   nsGlobalWindowInner* window = GetWindowGlobal();

dom/ipc/WindowGlobalChild.h

@@ -142,6 +142,9 @@ class WindowGlobalChild final : public WindowGlobalActor,
   mozilla::ipc::IPCResult RecvGetSecurityInfo(
       GetSecurityInfoResolver&& aResolve);
 
+  mozilla::ipc::IPCResult RecvSaveStorageAccessGranted(
+      const nsCString& aPermissionKey);
+
   virtual void ActorDestroy(ActorDestroyReason aWhy) override;
 
  private: